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The thing about the cable and PBS portion of the TCA tour is that it's a lot like your first two years of college. Remember when you had to take all those science and literature required classes before you could sink your teeth into your major?

Don't get me wrong there's a lot of great programming that's not on the major networks. But attending panels on Discovery Channel's Ocean of Fear: The Worst Shark Attack Ever, CNN's Planet in Peril, and The History Channel's 1968 with Tom Brokaw kind of feels like going to school.

NBC starts today and it's one of the most anticpated days of the tour.